ATTINY12 ATMEL Corporation, ATTINY12 Datasheet - Page 82
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ATTINY12
Manufacturer Part Number
ATTINY12
Description
8-bit AVR Microcontroller with 1K Byte Flash
Manufacturer
ATMEL Corporation
Datasheet
1.ATTINY12.pdf
(91 pages)
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Register Summary ATtiny12
Note:
82
Address
$3E
$3D
$3C
$3B
$3A
$1E
$1D
$1C
$1B
$1A
$0A
$3F
$39
$38
$37
$36
$35
$34
$33
$32
$31
$30
$22
$21
$20
$1F
$19
$18
$17
$16
$15
$09
$08
$00
...
...
...
2. Some of the status flags are cleared by writing a logical one to them. Note that the CBI and SBI instructions will operate on
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
ATtiny11/12
should never be written.
all bits in the I/O register, writing a one back into any flag read as set, thus clearing the flag. The CBI and SBI instructions
work with registers $00 to $1F only.
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
OSCCAL
Name
MCUCR
MCUSR
WDTCR
TCCR0
PORTB
GIMSK
TCNT0
TIMSK
SREG
EEDR
EECR
DDRB
ACSR
EEAR
GIFR
PINB
TIFR
Oscillator Calibration Register
EEPROM Data Register
Timer/Counter0 (8 Bit)
Bit 7
ACD
I
-
-
-
-
-
-
-
-
-
-
-
-
-
AINBG
Bit 6
INTF0
INT0
PUD
T
-
-
-
-
-
-
-
-
-
-
EEPROM Address Register
Bit 5
PINB5
DDB5
PCIE
PCIF
ACO
SE
H
-
-
-
-
-
-
-
PORTB4
WDTOE
Bit 4
PINB4
DDB4
ACI
SM
S
-
-
-
-
-
-
-
PORTB3
WDRF
EERIE
Bit 3
PINB3
DDB3
WDE
ACIE
V
-
-
-
-
-
-
PORTB2
EEMWE
Bit 2
BORF
WDP2
PINB2
DDB2
CS02
N
-
-
-
-
-
-
PORTB1
EXTRF
Bit 1
TOIE0
ISC01
WDP1
EEWE
PINB1
ACIS1
TOV0
DDB1
CS01
Z
-
-
PORTB0
Bit 0
ISC00
PORF
WDP0
PINB0
ACIS0
EERE
DDB0
CS00
C
-
-
-
-
1006D–AVR–07/03
page 14
page 25
page 26
page 26
page 27
page 29
page 24
page 34
page 35
page 32
page 36
page 38
page 38
page 38
page 44
page 44
page 44
page 41
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